summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/etnaviv/etnaviv_buffer.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/etnaviv/etnaviv_buffer.c')
-rw-r--r--drivers/gpu/drm/etnaviv/etnaviv_buffer.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_buffer.c b/drivers/gpu/drm/etnaviv/etnaviv_buffer.c
index 99ad2f073c6e..bfc6d4aa3b7c 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_buffer.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_buffer.c
@@ -215,6 +215,24 @@ u16 etnaviv_buffer_config_mmuv2(struct etnaviv_gpu *gpu, u32 mtlb_addr, u32 safe
return buffer->user_size / 8;
}
+u16 etnaviv_buffer_config_pta(struct etnaviv_gpu *gpu)
+{
+ struct etnaviv_cmdbuf *buffer = &gpu->buffer;
+
+ lockdep_assert_held(&gpu->lock);
+
+ buffer->user_size = 0;
+
+ CMD_LOAD_STATE(buffer, VIVS_MMUv2_PTA_CONFIG,
+ VIVS_MMUv2_PTA_CONFIG_INDEX(0));
+
+ CMD_END(buffer);
+
+ buffer->user_size = ALIGN(buffer->user_size, 8);
+
+ return buffer->user_size / 8;
+}
+
void etnaviv_buffer_end(struct etnaviv_gpu *gpu)
{
struct etnaviv_cmdbuf *buffer = &gpu->buffer;